diff --git a/back/src/crawler/crawler.controller.ts b/back/src/crawler/crawler.controller.ts
index 5cf3056..425c1d5 100644
--- a/back/src/crawler/crawler.controller.ts
+++ b/back/src/crawler/crawler.controller.ts
@@ -8,6 +8,6 @@ export class CrawlerController {
   @Post('trigger')
   @HttpCode(200)
   async triggerCrawl() {
-    return this.crawlerService.crawlReddit();
+    return this.crawlerService.crawlWiki();
   }
 }
diff --git a/back/src/crawler/crawler.service.ts b/back/src/crawler/crawler.service.ts
index c5c9148..248b6a3 100644
--- a/back/src/crawler/crawler.service.ts
+++ b/back/src/crawler/crawler.service.ts
@@ -6,35 +6,11 @@ import axios from 'axios';
 import { WosCoupon } from '../entities/wos-coupon.entity';
 import { WosService } from '../wos/wos.service';
 
-const REDDIT_OAUTH_URL = 'https://oauth.reddit.com/r/WhiteoutSurvival/search.json?q=gift+code+OR+redeem+code+OR+coupon&sort=new&restrict_sr=1&limit=25&t=week';
-const REDDIT_TOKEN_URL = 'https://www.reddit.com/api/v1/access_token';
-
-const COMMON_WORDS = new Set([
-  'THE', 'AND', 'FOR', 'ARE', 'BUT', 'NOT', 'YOU', 'ALL', 'ANY', 'CAN',
-  'HER', 'WAS', 'ONE', 'OUR', 'OUT', 'DAY', 'GET', 'HAS', 'HIM', 'HIS',
-  'HOW', 'ITS', 'NEW', 'NOW', 'OLD', 'SEE', 'TWO', 'WAY', 'WHO', 'BOY',
-  'DID', 'ITS', 'LET', 'PUT', 'SAY', 'SHE', 'TOO', 'USE', 'WITH', 'FROM',
-  'HAVE', 'MORE', 'WILL', 'HOME', 'EACH', 'ALSO', 'HERE', 'INTO', 'LIKE',
-  'LOOK', 'MAKE', 'MANY', 'OVER', 'SUCH', 'TAKE', 'THAN', 'THEM', 'THEN',
-  'THEY', 'THIS', 'TIME', 'VERY', 'WELL', 'WERE', 'WHEN', 'YOUR', 'ABOUT',
-  'AFTER', 'AGAIN', 'BEING', 'EVERY', 'FIRST', 'FOUND', 'COULD', 'OTHER',
-  'THEIR', 'THERE', 'THESE', 'THINK', 'THOSE', 'THREE', 'UNDER', 'WATER',
-  'WHERE', 'WHICH', 'WHILE', 'WORLD', 'WOULD', 'WRITE', 'HTTPS', 'HTTP',
-  'IMGUR', 'REDDIT', 'GIFT', 'CODE', 'CODES', 'FREE', 'GAME', 'PLAY',
-  'JOIN', 'CLAN', 'BEAR', 'WOLF', 'LION', 'TYPE', 'JUST', 'BEEN', 'SOME',
-  'MOST', 'SAME', 'ONLY', 'BOTH', 'MUCH', 'NEED', 'WANT', 'GOOD', 'WORK',
-  'KNOW', 'GIVE', 'COME', 'BACK', 'HELP', 'LAST', 'LONG', 'HIGH', 'NEXT',
-  'OPEN', 'SEEM', 'TURN', 'TELL', 'KEEP', 'HAND', 'BEST', 'EVEN', 'FIND',
-  'REAL', 'SHOW', 'SAID', 'DOES', 'DONE', 'WENT', 'USED', 'STILL', 'NEVER',
-  'ALWAYS', 'PLEASE', 'ANYONE', 'REALLY', 'THANKS', 'POSTED', 'ANYONE',
-]);
+const WIKI_URL = 'https://www.whiteoutsurvival.wiki/giftcodes/';
 
 @Injectable()
 export class CrawlerService {
   private readonly logger = new Logger(CrawlerService.name);
-  private seenPostIds = new Set<string>();
-  private redditAccessToken: string | null = null;
-  private redditTokenExpiry = 0;
 
   constructor(
     @InjectRepository(WosCoupon)
@@ -42,142 +18,56 @@ export class CrawlerService {
     private readonly wosService: WosService,
   ) {}
 
-  private async getRedditToken(): Promise<string | null> {
-    const clientId = process.env.REDDIT_CLIENT_ID;
-    const clientSecret = process.env.REDDIT_CLIENT_SECRET;
-    if (!clientId || !clientSecret) return null;
-
-    if (this.redditAccessToken && Date.now() < this.redditTokenExpiry) {
-      return this.redditAccessToken;
-    }
-
-    try {
-      const resp = await axios.post(
-        REDDIT_TOKEN_URL,
-        new URLSearchParams({ grant_type: 'client_credentials' }),
-        {
-          auth: { username: clientId, password: clientSecret },
-          headers: { 'User-Agent': 'WosCouponBot/1.0 by wageulwageul' },
-          timeout: 10000,
-        },
-      );
-      this.redditAccessToken = resp.data.access_token;
-      this.redditTokenExpiry = Date.now() + (resp.data.expires_in - 60) * 1000;
-      return this.redditAccessToken;
-    } catch (err: any) {
-      this.logger.error(`Reddit 토큰 발급 실패: ${err.message}`);
-      return null;
-    }
-  }
-
-  private extractCodes(text: string): string[] {
-    const codePattern = /\b([A-Z][A-Z0-9]{4,19})\b/g;
-    const found = new Set<string>();
+  private extractCodesFromHtml(html: string): string[] {
+    const found: string[] = [];
+    const pattern = /<span[^>]*class="code"[^>]*>([^<]+)<\/span>/g;
     let match: RegExpExecArray | null;
-
-    while ((match = codePattern.exec(text)) !== null) {
-      const code = match[1];
-      if (!COMMON_WORDS.has(code) && /\d/.test(code)) {
-        found.add(code);
-      }
+    while ((match = pattern.exec(html)) !== null) {
+      const code = match[1].trim();
+      if (code.length > 0) found.push(code);
     }
-
-    const mixedPattern = /\b([A-Z]{2,}[0-9]{2,}[A-Z0-9]*|[A-Z0-9]*[0-9]{2,}[A-Z]{2,}[A-Z0-9]*)\b/g;
-    while ((match = mixedPattern.exec(text)) !== null) {
-      const code = match[1];
-      if (code.length >= 5 && code.length <= 20) {
-        found.add(code);
-      }
-    }
-
-    return Array.from(found);
+    return found;
   }
 
-  private getPostTitle(post: any): string {
+  async crawlWiki(): Promise<{ found: number; added: string[] }> {
+    this.logger.log('Wiki 쿠폰 크롤링 시작...');
+
+    let html: string;
     try {
-      return post?.data?.title || '';
-    } catch {
-      return '';
-    }
-  }
-
-  private getPostText(post: any): string {
-    try {
-      return post?.data?.selftext || '';
-    } catch {
-      return '';
-    }
-  }
-
-  private isCodeRelatedPost(title: string, text: string): boolean {
-    const combined = (title + ' ' + text).toLowerCase();
-    return (
-      combined.includes('gift code') ||
-      combined.includes('giftcode') ||
-      combined.includes('redeem') ||
-      combined.includes('coupon') ||
-      combined.includes('promo code') ||
-      combined.includes('code:') ||
-      combined.includes('code -')
-    );
-  }
-
-  async crawlReddit(): Promise<{ found: number; added: string[] }> {
-    this.logger.log('Reddit 쿠폰 크롤링 시작...');
-
-    let posts: any[] = [];
-    try {
-      const token = await this.getRedditToken();
-      if (!token) {
-        this.logger.warn('Reddit OAuth 토큰 없음 - REDDIT_CLIENT_ID/SECRET 환경변수를 설정하세요');
-        return { found: 0, added: [] };
-      }
-
-      const resp = await axios.get(REDDIT_OAUTH_URL, {
+      const resp = await axios.get(WIKI_URL, {
         headers: {
-          'Authorization': `Bearer ${token}`,
-          'User-Agent': 'WosCouponBot/1.0 by wageulwageul',
-          'Accept': 'application/json',
+          'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36',
+          'Accept': 'text/html',
         },
         timeout: 10000,
       });
-      posts = resp.data?.data?.children || [];
+      html = resp.data as string;
     } catch (err: any) {
-      this.logger.error(`Reddit API 요청 실패: ${err.message}`);
+      this.logger.error(`Wiki 요청 실패: ${err.message}`);
       return { found: 0, added: [] };
     }
 
+    const wikiCodes = this.extractCodesFromHtml(html);
+    this.logger.log(`Wiki에서 ${wikiCodes.length}개 코드 발견`);
+
+    if (wikiCodes.length === 0) return { found: 0, added: [] };
+
     const existingCoupons = await this.wosCouponRepo.find();
     const existingCodes = new Set(existingCoupons.map((c) => c.code));
 
     const addedCodes: string[] = [];
 
-    for (const post of posts) {
-      const postId: string = post?.data?.id || '';
-      if (this.seenPostIds.has(postId)) continue;
-      this.seenPostIds.add(postId);
+    for (const code of wikiCodes) {
+      if (existingCodes.has(code)) continue;
 
-      const title = this.getPostTitle(post);
-      const text = this.getPostText(post);
-
-      if (!this.isCodeRelatedPost(title, text)) continue;
-
-      const combined = `${title} ${text}`;
-      const codes = this.extractCodes(combined);
-
-      for (const code of codes) {
-        if (existingCodes.has(code)) continue;
-
-        this.logger.log(`새 쿠폰 발견: ${code} (출처: "${title}")`);
-
-        try {
-          await this.wosService.addCoupon(`Reddit: ${title.slice(0, 50)}`, code);
-          existingCodes.add(code);
-          addedCodes.push(code);
-          this.logger.log(`쿠폰 추가 완료: ${code}`);
-        } catch (err: any) {
-          this.logger.error(`쿠폰 추가 실패 [${code}]: ${err.message}`);
-        }
+      this.logger.log(`새 쿠폰 발견: ${code}`);
+      try {
+        await this.wosService.addCoupon(`Wiki: ${code}`, code);
+        existingCodes.add(code);
+        addedCodes.push(code);
+        this.logger.log(`쿠폰 추가 완료: ${code}`);
+      } catch (err: any) {
+        this.logger.error(`쿠폰 추가 실패 [${code}]: ${err.message}`);
       }
     }
 
@@ -185,8 +75,8 @@ export class CrawlerService {
       await this.sendDiscordNotification(addedCodes);
     }
 
-    this.logger.log(`Reddit 크롤링 완료 - 신규 쿠폰: ${addedCodes.length}개`);
-    return { found: posts.length, added: addedCodes };
+    this.logger.log(`Wiki 크롤링 완료 - 신규 쿠폰: ${addedCodes.length}개`);
+    return { found: wikiCodes.length, added: addedCodes };
   }
 
   private async sendDiscordNotification(codes: string[]): Promise<void> {
@@ -200,9 +90,9 @@ export class CrawlerService {
       embeds: [
         {
           title: '🎁 새 WOS 쿠폰 발견!',
-          description: `Reddit에서 새로운 쿠폰 **${codes.length}개**를 찾았어요!\n\n${codeList}`,
+          description: `Wiki에서 새로운 쿠폰 **${codes.length}개**를 찾았어요!\n\n${codeList}`,
           color: 0x00b0f4,
-          footer: { text: 'WOS 쿠폰 자동 크롤러 | r/WhiteoutSurvival' },
+          footer: { text: 'WOS 쿠폰 자동 크롤러 | whiteoutsurvival.wiki' },
           timestamp: new Date().toISOString(),
         },
       ],
@@ -218,6 +108,6 @@ export class CrawlerService {
 
   @Cron('0 0 * * * *')
   async scheduledCrawl() {
-    await this.crawlReddit();
+    await this.crawlWiki();
   }
 }